Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813362 | Loudspeaker and method of making same | Andrew D. Bank, Ian D. MacFarlane, Keith D. Hills, Paul Burton | 2004-11-02 |
| 6751333 | Inertial vibration transducers | Henry Azima, Martin Colloms | 2004-06-15 |